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Finding the Fourth Proportional to 514,409.96, 771,333.06 and 159,325.40

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Solution

The fourth proportional to 514,409.96, 771,333.06 and 159,325.40 is: 238,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,409.96 : 771,333.06 = 159,325.40 : x
  2. Step 2: Convert to fraction form
    514,409.96/771,333.06 = 159,325.40/x
  3. Step 3: Cross multiply
    514,409.96x = 771,333.06 × 159,325.40
  4. Step 4: Simplify right side
    514,409.96x = 122,892,948,317.72
  5. Step 5: Solve for x
    x = 122,892,948,317.72/514,409.96
  6. Step 6: Final answer
    x = 238,900.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.